Affiliations:
Umeå Centre for Global Health Research, Department of Public Health and Clinical Medicine, Umeå University, Umeå, Sweden,
MRC/Wits Rural Public Health and Health Transitions Research Unit (Agincourt), School of Public Health, Faculty of Health Sciences, University of the Witwatersrand, Johannesburg, South Africa

Corresponding Author

Competing Interests

PB is a member of the PLoS Medicine Editorial Board. All other authors have declared that no competing interests exits.

Author Contributions

Wrote the first draft of the manuscript: PB. Contributed to the writing of the manuscript: MN BE RS PB. ICMJE criteria for authorship read and met: MN BE RS PB. Agree with manuscript results and conclusions: MN BE RS PB. Participated in the Durban COP17 meeting: MN BE RS.